ATMEGA329V-8AI vs ATMEGA649V-8AI 比較
詳細並排比較 ATMEGA329V-8AI 由 Microchip Technology 與 ATMEGA649V-8AI 由 Microchip Technology. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | ATMEGA329V-8AI | ATMEGA649V-8AI |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| CPU Speed | 8 MHz | — |
| Program Memory (Flash) | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | 2 KB |
| Supply Voltage (Vcc) | 1.8 V to 5.5 V | — |
| General Purpose I/O | 54 lines | 54 I/O lines |
| General Purpose Registers | 32 | — |
| LCD Controller | On-chip, supports up to 4x25 segments | Integrated segment LCD driver |
| ADC | 10-bit, up to 8 channels | 10-bit |
| Timers/Counters | Three flexible Timer/Counters with PWM | Two 8-bit, two 16-bit |
| Serial Interfaces | USART, SPI, TWI (I2C-compatible) | — |
| Debug Interface | JTAG (IEEE 1149.1 compliant) | — |
| 封裝 | 64-pin TQFP, 14x14 mm body, 0.5 mm pitch | 64-TQFP (14x14 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度 | -40C to +85C (industrial) | — |
| RoHS 狀態 | Compliant | [DATA_NEEDED: RoHS status] |
| Max CPU Clock | — | 8 MHz |
| Flash Program Memory | — | 64 KB (32K x 16) |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Temperature Grade | — | Industrial (-40C to +85C) |
| Programming Interface | — | ISP / ICSP via SPI, JTAG for debug |
| Instructions | — | 130 instructions, most single-cycle |
| Working Registers | — | 32 general purpose |